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Penetration Tester

The City, Central London💼 Full-time💰 $62,441–$62,441🗓 2026-05-29 → 2026-08-07

Core

Conducting hands-on penetration testing across external and internal networks, reviewing system configurations, and identifying vulnerabilities within critical infrastructure.

Role type

Infrastructure Penetration Tester

Builds

Security assessments for critical infrastructure networks and systems

Domain

Cybersecurity / Network Infrastructure

Deliverable

production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work

Required skills

Infrastructure penetration testing, network security, configuration management, API security testing, vulnerability assessment, report writing

Preferred skills

Experience with complex network environments, API integration risk assessment

Technologies

Firewalls, routers, network devices, APIs

Responsibilities

Conduct comprehensive external and internal infrastructure penetration tests, Perform configuration reviews across servers and network devices, Execute API security testing, Deliver CHECK-style network and infrastructure testing, Collaborate with project lead and testing team

Seniority

Experienced, hands-on IC

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